How to Create Python Virtual Environment in Windows and Linux

Creating Python Virtual Environment in Windows and Linux

A Virtual Environment is a python environment, that is an isolated working copy of Python which allows you to work on a specific project without affecting other projects. So, basically it is a tool that enables multiple side-by-side installations of Python, one for each project.

-:: Creating virtual environment in Linux ::-


# If pip is not in your system::

$ sudo apt-get install python-pip

# Then install virtualenv::

$ pip install virtualenv

# Now check your installation::

$ virtualenv --version

# Create a virtual environment now,

$ virtualenv virtualenv_name

After this command, a folder named virtualenv_name will be created.

You can name anything to it. If you want to create a virtualenv for specific python version, type

$ virtualenv -p /usr/bin/python3 virtualenv_name

or

$ virtualenv -p /usr/bin/python2.7 virtualenv_name

# Now at last we just need to activate it, using command

$ source virtualenv_name/bin/activate

# Now you are in a Python virtual environment. You can deactivate using

$ deactivate

 

-:: Creating Python virtualenv in Windows ::-


If python is installed in your system, then pip comes in handy.
So simple steps are:
1) Install virtualenv using

 > pip install virtualenv

2) Now in which ever directory you are, this line below will create a virtualenv there

> virtualenv myenv

And here also you can name it anything.

3) Now if you are same directory then type,

 > myenv\Scripts\activate

You can explicitly specify your path too. Similarly like Linux you can deactivate it like

$ deactivate

 

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